Cocx for gas and water fittings



(No Model.)

H. P. DREW.

000K FOR GAS AND WATER FITTINGS.

Patented Feb. 3, 1885.

INVENTOR WITNESSES ATTORNEYS.

' llivrrnn Smarts Parent @rrrcn.

HENRY PHILIP DREW, OF NEW YORK, N. Y.

COCK FOR GAS AND WATER FITTINGS.

SPECIFICATION forming part of Letters Patent No. 811,650, dated February3, 1885.

(No model.)

To all whom it may concern:

Be it known that I, HENRY PHILIP DREW, 0f the city, county, and State ofNew York, have invented a new and useful Improvement in Cocks for Gasand WVater Fittings, of which the following is a full, clear, and exactdescription.

Reference isto be had to the accompanying drawings, forming a part ofthis specification, in which similar letters of reference indicatecorresponding parts in both the figures.

Figure 1 is a sectional side elevation of my improvement. Fig. 2 is aplan View of the same, the plug being shown in section.

The object of this invention is to promote security in the use of cocksfor gas and water fittings.

The invention consists in the construction and arrangement of parts, aswill be hereinafter fully described and claimed.

Ais the stock of the cock, which has a perforation, A, formedlongitudinally through it for the passage of the gas or liquid.

In the inner or rear end of the stock A is formed a female screw, toreceive the end of the gas or water pipe B, and its outer or forward endis provided with a gas-burner or a nozzle, according as the cock isintended for gas or water fittings.

Through the stock A is formed a perforation, 0, to receivethe plug D,which perforation is made tapering and with its smaller end downward,asshown in Fig. 1. In the smaller end of the plug D is formed a femalescrew to receive the stem of the thumb-piece E, which is locked fromturning by the screwpin F passing through the said plug and the stem ofthe said thumb-piece. The end of the screw-pin F projects to strikeagainst the shoulder G, formed upon the lower side of the stock A, asshown in dotted lines in Fig. 1, to limit the rotary movement of theplug D. The larger or upper end of the perforation O is closed by acap-plug, H, screwed into it, as

shown in Fig. 1. The larger or upper end of the plug D has a recess, 1,formed in it, from the lower or inner part of which a perforation, J,leads out through the forward side of the said plug.

In the upper part of the stock A, at the rear side of the perforation G,is formed a recess, K, as shown in Figs. 1 and 2. The recess I alsoserves as a seat for the lower end of the spiral spring L, the upper endof which rests against the cap-plug H. The spring L is designed toassist the weight of the plug D in holding the said plug D to its seat,and in taking up the wear. When the cock is open, the gas or liquidenters the said cock through the rear part of the perforation A, andpasses through the recess K into the recess 1, thence through theperforation J, and escapes th rough the forward part of the perforationA. The cock is closed by turning the perforation J away from the forwardpart of the perforation A, and if the stoppin F were not used, or werebrokenoff, it would be necessary to turn the plug D through an entirerevolution before the cock would be opened, unless the said plug wasstopped and turned back.

Having thus described my invention, I claim as new and desire to secureby Letters Patent As an improved article of manufacture, a cock for gasand water fittings, consisting, essentially, of the stock A, having thelongitudinal passage A, downwardtapering perforation 0,, and recess K inthe rear inner wall of the said perforation (-3, as shown, the taperingplug D, having a recess, I,'in its upper larger end opening into theupper part of perforation 0 and the recess K, and a lateral perforation,J, adapted to register with the passage A, the spring L,'the screw-capH, fitting into the top of the perforation O, the spring L bearingagainst the under side of plug H and the bottom of recess 1, and thethumbpiece E on the lower end of the plug D, substantially as set forth.

HENRY PHILIP DREIW. Witnesses:

JAMES T. GRAHAM, O. SEDewIoK.

